fix: resolve backtop demo

Tencent · Dec 7, 2022 · 92c0cec · 92c0cec
1 parent fbe7925
commit 92c0cec
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/back-top/_example/back-top.ts b/src/back-top/_example/back-top.ts
@@ -16,7 +16,7 @@ Page({
 
   onPageScroll(e) {
     if (!this.windowHeight) {
-      this.windowHeight = wx.getSystemInfoSync().windowHeight;
+      this.windowHeight = wx.getSystemInfoSync().windowHeight - 200;
     }
     const isShowBackTop = e.scrollTop > this.windowHeight;
     if (isShowBackTop !== this.data.showBackTop) {